1454516

Information

• Patent Grant
• 1454516

• References
• Source

• Patent Number

  1,454,516

• Date Filed

  Not available

• Date Issued

  Tuesday, May 8, 1923
  101 years ago

• CPC

  • H01T13/28 - having spherically shaped electrodes

• US Classifications

  • 313 - Electric lamp and discharge devices